package com.sn.author.dao;

import com.sn.author.domain.entity.User;
import java.util.List;
import org.apache.ibatis.annotations.Param;
import org.springframework.data.jpa.repository.support.CrudMethodMetadata;

public interface UserMapper extends BaseMapper<User,Long> {

    User selectByUserName(@Param("userName")String userName);

}